The 2021 edition anticipates Industry 4.0. The PDF itself is not just a document—it is a data gateway.
The 2021 edition aligns with ISO 4406:2021 for solid contamination and adds a new table for water saturation limits (relative humidity in oil, not just ppm). Ms81-2021 Standard Pdf
: Defines the stringent processes required for batching, mixing, and transporting concrete to maintain its specified properties (such as workability and strength). The 2021 edition anticipates Industry 4